20545808

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1801}}^1$

素因数の和:1863

約数の個数: 40

約数和(自身を含む): 42902016

約数和(自身を除く): 22356208

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 368, 496, 713, 1426, 1801, 2852, 3602, 5704, 7204, 11408, 14408, 28816, 41423, 55831, 82846, 111662, 165692, 223324, 331384, 446648, 662768, 893296, 1284113, 2568226, 5136452, 10272904, 20545808]

約数ペア:

[(1, 20545808), (2, 10272904), (4, 5136452), (8, 2568226), (16, 1284113), (23, 893296), (31, 662768), (46, 446648), (62, 331384), (92, 223324), (124, 165692), (184, 111662), (248, 82846), (368, 55831), (496, 41423), (713, 28816), (1426, 14408), (1801, 11408), (2852, 7204), (3602, 5704)]